Table 7 Performance of risk score of Model II based on the validation dataset from the 2010, 2011–2012, and 2012–2013 prevention of mother-to-child transmission surveys, South Africa. (n = 2110, AUROC = 0.72)
Cut point | Sensitivity | Specificity | Non-cumulative proportion of women at each cut point (%) |
|---|---|---|---|
(> = 0) | 100.00% | 0.00% | 0.28 |
(> = 4) | 100.00% | 0.26% | 0.09 |
(> = 8) | 100.00% | 0.36% | 0.38 |
(> = 9) | 100.00% | 0.77% | 0.09 |
(> = 10) | 100.00% | 0.88% | 0.57 |
(> = 12) | 100.00% | 1.49% | 1.75 |
(> = 13) | 98.81% | 3.30% | 0.28 |
(> = 14) | 98.81% | 3.61% | 0.28 |
(> = 16) | 98.81% | 3.92% | 1.00 |
(> = 17) | 98.21% | 4.95% | 0.24 |
(> = 18) | 98.21% | 5.20% | 1.61 |
(> = 19) | 98.21% | 6.96% | 1.18 |
(> = 20) | 98.21% | 8.24% | 1.80 |
(> = 21) | 97.62% | 10.15% | 3.03 |
(> = 22) | 97.62% | 13.45% | 8.20 |
(> = 23) | 95.24% | 22.15% | 0.81 |
(> = 24) | 95.24% | 23.03% | 0.95 |
(> = 25) | 94.64% | 24.01% | 2.56 |
(> = 26) | 94.05% | 26.74% | 3.27 |
(> = 27) | 92.86% | 30.19% | 1.80 |
(> = 28) | 91.07% | 31.99% | 0.33 |
(> = 29) | 91.07% | 32.35% | 2.89 |
(> = 30) | 90.48% | 35.45% | 9.19 |
(> = 31) | 85.71% | 45.03% | 12.37 |
(> = 32) | 77.98% | 57.81% | 0.19 |
(> = 33) | 77.98% | 58.01% | 1.85 |
(> = 34) | 76.19% | 59.87% | 3.46 |
(> = 35) | 72.02% | 63.27% | 11.80 |
(> = 37) | 53.57% | 74.50% | 0.71 |
(> = 38) | 52.38% | 75.17% | 1.52 |
(> = 39) | 50.00% | 76.61% | 12.27 |
(> = 41) | 31.55% | 88.36% | 0.28 |
(> = 42) | 29.76% | 88.51% | 0.28 |
(> = 43) | 28.57% | 88.72% | 8.72 |
(> = 45) | 9.52% | 96.55% | 0.09 |
(> = 47) | 9.52% | 96.65% | 2.84 |
(> = 51) | 2.98% | 99.18% | 0.71 |
(> = 55) | 1.19% | 99.79% | 0.28 |
(> 55) | 0.00% | 100.00% |